i think most of this works lole

app/routes/manabox_routes.py

@@ -1,24 +1,78 @@
-from fastapi import APIRouter, Depends, UploadFile, File, HTTPException
+from fastapi import APIRouter, Depends, UploadFile, File, HTTPException, Form
 from sqlalchemy.orm import Session
 from app.db.database import get_db
 from app.services.service_manager import ServiceManager
+import csv
+import io
 
 router = APIRouter(prefix="/manabox")
 
 service_manager = ServiceManager()
 
+REQUIRED_HEADERS = {
+    'Name', 'Set code', 'Set name', 'Collector number', 'Foil', 'Rarity',
+    'Quantity', 'ManaBox ID', 'Scryfall ID', 'Purchase price', 'Misprint',
+    'Altered', 'Condition', 'Language', 'Purchase price currency'
+}
+
+def is_valid_csv(file: UploadFile) -> tuple[bool, str]:
+    # Check if filename ends with .csv
+    if not file.filename.lower().endswith('.csv'):
+        return False, "File must have a .csv extension"
+    
+    try:
+        # Try to read the content as CSV
+        content = file.file.read()
+        # Reset file pointer for later use
+        file.file.seek(0)
+        
+        # Try to parse the content as CSV
+        csv_reader = csv.reader(io.StringIO(content.decode('utf-8')))
+        
+        # Get headers from first row
+        headers = set(next(csv_reader))
+        
+        # Check for missing headers
+        missing_headers = REQUIRED_HEADERS - headers
+        if missing_headers:
+            return False, f"Missing required columns: {', '.join(missing_headers)}"
+        
+        # Check for extra headers
+        extra_headers = headers - REQUIRED_HEADERS
+        if extra_headers:
+            return False, f"Unexpected columns found: {', '.join(extra_headers)}"
+            
+        return True, "Valid CSV format"
+    except (csv.Error, UnicodeDecodeError) as e:
+        return False, f"Invalid CSV format: {str(e)}"
+    except StopIteration:
+        return False, "Empty file"
+
 @router.post("/process-csv")
 async def process_manabox_csv(
     file: UploadFile = File(...),
+    source: str = Form(...),
+    description: str = Form(...),
     db: Session = Depends(get_db)
 ):  
     try:
+        is_valid, error_message = is_valid_csv(file)
+        if not is_valid:
+            raise HTTPException(
+                status_code=400, 
+                detail=error_message
+            )
 
         content = await file.read()
 
+        metadata = {
+            "source": source,
+            "description": description
+        }
+
         manabox_service = service_manager.get_service("manabox")
 
-        success = await manabox_service.process_manabox_csv(db, content)
+        success = await manabox_service.process_manabox_csv(db, content, metadata)
         
         if not success:
             raise HTTPException(status_code=400, detail="Failed to process CSV file")
@@ -26,4 +80,14 @@ async def process_manabox_csv(
         return {"message": "CSV processed successfully"}
     
     except Exception as e:
-        raise HTTPException(status_code=500, detail=str(e))
+        raise HTTPException(status_code=500, detail=str(e))
+
+@router.get("/manabox-file-uploads")
+async def get_manabox_file_uploads(
+    skip: int = 0,
+    limit: int = 100,
+    db: Session = Depends(get_db)
+):
+    file_service = service_manager.get_service("file")
+    files = await file_service.list_files(db, skip=skip, limit=limit, file_type="manabox")
+    return files